| Compliance, Standards | ENERGY STAR Qualified |
| Connector/Port/Interface | Ethernet, Parallel, USB |
| Depth | 20.7 in |
| Duplex Printing | Automatic |
| Emulations | EPSON, IBM ProPrinter, PCL 5e, PCL 6, PostScript 3 |
| First Page Out | 8.5 sec |
| Global Product Type | Printers-Laser |
| Height | 13.9 in |
| Maximum Memory | 512 MB |
| Maximum Paper Size | 8 1/2 in x 14 in |
| Maximum Print Speed (Black) | 45.0 ppm |
| Model Name/Number | ML-4551NDR |
| Monthly Duty Cycle (Pages) | 200000 |
| Network Capable | Yes |
| Network Ready | Yes |
| Network Types | 10/100Base-TX Ethernet |
| Operating System Compatibility | Linux®: Fedora Core 1-3, Red Hat® Linux® 8, 9, SUSE™ Linux® 8.2-9.2, Mac® OS 8.6-9.2, 10.1-10.4, Windows® NT 4.0, 98, 2000, Me, XP, XP x64, Server 2003, Server 2003 x64, Vista™ |
| Paper Feeder Type | Multipurpose Tray |
| Paper Input Capacity (Sheets) | 600 |
| Print Resolution (Black) (Width x Height) | 1200 x 1200 dpi |
| Printer Type | Laser |
| Processor | 500.0 MHz |
| Standard Memory | 128.0 MB |
| Width | 15.60 in |
